This small threading game is very versatile in its play options: First, children can stack and then they can practice threading. If they know the colours, they can sort and stack the bobbins on the coloured dowels. The bobbins are also ideal for sorting and building with the Wooden Balls and the Rainbows. Tip: also wonderful to roll up the rainbow cords and other ribbons on the bobbins. Ideal addition: wooden needle with cord length of 80cm. 8 pieces incl. wooden needle. Materials: maple wood and limewood, non-toxic water based color stain or non-toxic plant based oil finish.